| Oeiras to Borsbeek | 1,093.19 mi (1,759.32 km) |
| Oeiras to Boussu | 1,034.02 mi (1,664.10 km) |
| Oeiras to Braine-l'Alleud | 1,063.84 mi (1,712.09 km) |
| Oeiras to Braine-le-Chateau | 1,060.79 mi (1,707.17 km) |
| Oeiras to Braine-le-Comte | 1,052.59 mi (1,693.97 km) |
| Oeiras to Brasschaat | 1,098.08 mi (1,767.18 km) |
| Oeiras to Brecht | 1,105.19 mi (1,778.63 km) |
| Oeiras to Bredene | 1,051.98 mi (1,692.99 km) |
| Oeiras to Bree | 1,123.27 mi (1,807.73 km) |
| Oeiras to Bruges | 1,057.52 mi (1,701.91 km) |
| Oeiras to Brussels | 1,071.54 mi (1,724.47 km) |
| Oeiras to Buggenhout | 1,074.70 mi (1,729.56 km) |
| Oeiras to Chapelle-lez-Herlaimont | 1,050.55 mi (1,690.70 km) |
| Oeiras to Charleroi | 1,051.92 mi (1,692.89 km) |
| Oeiras to Chatelet | 1,054.51 mi (1,697.08 km) |
